Menstruation is usually referred to as menstruation, and the difference between menstruation and early pregnancy symptoms is that menstruation is characterized by vaginal bleeding and lower abdominal pain, while early pregnancy is characterized by menopause and breast tenderness. Vaginal bleeding occurs during menstruation, and some women experience lower abdominal pain, lumbosacral pain, diarrhea, and headache under the effect of prostaglandins during menstruation. Pregnant women in the early stages of pregnancy will experience early pregnancy symptoms such as menopause, breast swelling and pain, enlarged areola, aversion to grease, frequent urination, nausea and vomiting, drowsiness, generalized fatigue, loss of appetite, gastrointestinal flatulence, dizziness, and so on. If vaginal bleeding occurs at regular times every month and is accompanied by symptoms such as pain in the abdomen, it is mostly considered to be due to menstruation. If women with regular menstruation experience delayed menstruation, aversion to oil and grease, nausea and vomiting, etc., it is mostly considered to be due to early pregnancy. It is recommended that women in early pregnancy should ensure enough rest, pay attention to keep warm, and avoid overwork and strenuous exercise. If there are any other problems, it is recommended to consult a professional doctor for guidance.